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Integral de dx/(x^3-4) dx

Límites de integración:

interior superior
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
  1          
  /          
 |           
 |    1      
 |  ------ dx
 |   3       
 |  x  - 4   
 |           
/            
0            
$$\int\limits_{0}^{1} \frac{1}{x^{3} - 4}\, dx$$
Integral(1/(x^3 - 4), (x, 0, 1))
Respuesta (Indefinida) [src]
                                                                                         /  ___     3 ___   ___\
  /                                                                        2/3   ___     |\/ 3    x*\/ 2 *\/ 3 |
 |                  2/3    / 2     3 ___      2/3\    2/3    /     2/3\   2   *\/ 3 *atan|----- + -------------|
 |   1             2   *log\x  + 2*\/ 2  + x*2   /   2   *log\x - 2   /                  \  3           3      /
 | ------ dx = C - ------------------------------- + ------------------ - --------------------------------------
 |  3                             24                         12                             12                  
 | x  - 4                                                                                                       
 |                                                                                                              
/                                                                                                               
$$\int \frac{1}{x^{3} - 4}\, dx = C + \frac{2^{\frac{2}{3}} \log{\left(x - 2^{\frac{2}{3}} \right)}}{12} - \frac{2^{\frac{2}{3}} \log{\left(x^{2} + 2^{\frac{2}{3}} x + 2 \sqrt[3]{2} \right)}}{24} - \frac{2^{\frac{2}{3}} \sqrt{3} \operatorname{atan}{\left(\frac{\sqrt[3]{2} \sqrt{3} x}{3} + \frac{\sqrt{3}}{3} \right)}}{12}$$
Gráfica
Respuesta [src]
                                                                                                                             /  ___   3 ___   ___\                
                                                                                                               2/3   ___     |\/ 3    \/ 2 *\/ 3 |                
   2/3 /          / 2/3\\    2/3    /     2/3     3 ___\    2/3 /          /      2/3\\    2/3    /  3 ___\   2   *\/ 3 *atan|----- + -----------|       2/3   ___
  2   *\pi*I + log\2   //   2   *log\1 + 2    + 2*\/ 2 /   2   *\pi*I + log\-1 + 2   //   2   *log\2*\/ 2 /                  \  3          3     /   pi*2   *\/ 3 
- ----------------------- - ---------------------------- + ---------------------------- + ----------------- - ------------------------------------ + -------------
             12                          24                             12                        24                           12                          72     
$$- \frac{2^{\frac{2}{3}} \sqrt{3} \operatorname{atan}{\left(\frac{\sqrt{3}}{3} + \frac{\sqrt[3]{2} \sqrt{3}}{3} \right)}}{12} - \frac{2^{\frac{2}{3}} \log{\left(1 + 2^{\frac{2}{3}} + 2 \sqrt[3]{2} \right)}}{24} + \frac{2^{\frac{2}{3}} \log{\left(2 \sqrt[3]{2} \right)}}{24} + \frac{2^{\frac{2}{3}} \sqrt{3} \pi}{72} - \frac{2^{\frac{2}{3}} \left(\log{\left(2^{\frac{2}{3}} \right)} + i \pi\right)}{12} + \frac{2^{\frac{2}{3}} \left(\log{\left(-1 + 2^{\frac{2}{3}} \right)} + i \pi\right)}{12}$$
=
=
                                                                                                                             /  ___   3 ___   ___\                
                                                                                                               2/3   ___     |\/ 3    \/ 2 *\/ 3 |                
   2/3 /          / 2/3\\    2/3    /     2/3     3 ___\    2/3 /          /      2/3\\    2/3    /  3 ___\   2   *\/ 3 *atan|----- + -----------|       2/3   ___
  2   *\pi*I + log\2   //   2   *log\1 + 2    + 2*\/ 2 /   2   *\pi*I + log\-1 + 2   //   2   *log\2*\/ 2 /                  \  3          3     /   pi*2   *\/ 3 
- ----------------------- - ---------------------------- + ---------------------------- + ----------------- - ------------------------------------ + -------------
             12                          24                             12                        24                           12                          72     
$$- \frac{2^{\frac{2}{3}} \sqrt{3} \operatorname{atan}{\left(\frac{\sqrt{3}}{3} + \frac{\sqrt[3]{2} \sqrt{3}}{3} \right)}}{12} - \frac{2^{\frac{2}{3}} \log{\left(1 + 2^{\frac{2}{3}} + 2 \sqrt[3]{2} \right)}}{24} + \frac{2^{\frac{2}{3}} \log{\left(2 \sqrt[3]{2} \right)}}{24} + \frac{2^{\frac{2}{3}} \sqrt{3} \pi}{72} - \frac{2^{\frac{2}{3}} \left(\log{\left(2^{\frac{2}{3}} \right)} + i \pi\right)}{12} + \frac{2^{\frac{2}{3}} \left(\log{\left(-1 + 2^{\frac{2}{3}} \right)} + i \pi\right)}{12}$$
-2^(2/3)*(pi*i + log(2^(2/3)))/12 - 2^(2/3)*log(1 + 2^(2/3) + 2*2^(1/3))/24 + 2^(2/3)*(pi*i + log(-1 + 2^(2/3)))/12 + 2^(2/3)*log(2*2^(1/3))/24 - 2^(2/3)*sqrt(3)*atan(sqrt(3)/3 + 2^(1/3)*sqrt(3)/3)/12 + pi*2^(2/3)*sqrt(3)/72
Respuesta numérica [src]
-0.268342249412307
-0.268342249412307

    Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.